array replacement

[Jbert2]

Is there a better and faster way to replace the whole array instead of using something like this

 

 $extract = array_splice($myArray,0,$myReplacement);

 

 

Thanks

 

 

Jim

[teynon]

What exactly are you trying to do? Please explain in more detail.

[.josh]

if you're wanting to just straight replace the array with something completely new, without preserving anything, simply assign your new array to the old array. Example:

 

<?php

$x = array (1,2,3);
$y = array (4,5,6);

print_r($x); // old array
echo "<br/>";
$x = $y; // assign new array
print_r($x); // new array

?>

 

[DarkWater]

Yeah....You could even do:

 

$x = array(2, 3, "lol" => "lol");
print_r($x);
$x = array(3, 9431, "this" => "fun");
print_r($x);

 

[Jbert2]

Here is the part of code for the array

 

$im = imagecreatefromjpeg('images/tree.jpg');
$matrix = array(   array(2,2,-2),
                            array(2,1,-1),
                            array(2,-2,-2) );
makeFilter($im, $matrix);

 

 

It was listed in 3 parts b/c that is the way a 3x3 matrix list variables. So what I want to do is from an input form, if i choose say "sepia" for a filter, I wantthe code for a sepia filter to be put in the array and the script run. When done it would display the sepia filter on the original.

 

 

Your thoughts appreciated

 

 

JIM

 

 

[wildteen88]

Something like

<?php

if(isset($_POST['submit']))
{
    switch($_POST['filter'])
    {
        case 'sepia':
            $matrix = array( array(2,  2, -2),
                             array(2,  1, -1),
                             array(2, -2, -2) );
        break;

        case 'filter2':
            $matrix = array( array for fiter2 );
        break;

        case 'filter3':
            $matrix = array( array for fiter3 );
        break;
    }

    $im = imagecreatefromjpeg('images/tree.jpg');

    makeFilter($im, $matrix);
}

?>
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
Filter:<br /><input type="radio" name="filter" value="sepia"> Sepia<br />
<input type="radio" name="filter" value="filter2"> Filter2<br />
<input type="radio" name="filter" value="filter3"> Filter3<br />
<input type="submit" name="submit" value="Apply Filter">
</form>

[Jbert2]

Wildteen88,

 

thanks for the great use of the switch. Take a look at this and see if it can be added. I was using it in my original script here

 

if ($input == 1)  [b]{
header("location: rockets.php");
}[/b]

else if ($input == 2)  {
header ("Location: loops.php");
}
else if ($input == 3)  {
header ("Location: 2kernel2.php");
}
[\code]


I started merging the new code and tried this

[code]

  switch($_POST['filter'])
    {

	[b]case   'rocket': { header("location: rockets.php"); }[/b]

	break;

        case 'sepia':
            $matrix = array( array(2, 2, -2),
                             array(2, 1, -1),
                             array(2, -2, -2) );
        break;


Here is the line from the input form

[code]<input type="radio" name="filter" value="rocket">Rockets<br />

 

but it is not connecting to the page.

 

 

 

Thanks

 

 

JIM

[/code][/code]

[Jbert2]

Must need some other way. Other lines in script expecting an array only & it causes an invalid argument, so page will not work for sure